The DFB Scanner is an interrogator that acts as a spectrometer working in reflection for the wavelength tunability of ITU Grid Channel #43. The embedded DFB laser - centered at 1542.94 nm - enables spectrum measurement at extreme resolutions, beating the classical OSA (Optical Spectrum Analyzer) by a mile. One type of fiber demonstrating the power of the DFB Scanner is the PS-FBG (Phase-Shifted Grating) where a narrow notch is hard to perceive with low resolution spectrometers. With the DFB Scanner, the depth of the notch will display deeper than ever.

Key Features

​Affordable spectrometer while still offering high resolution capabilities (0.1 nm).

Interrogator works in reflection.

Great speed of tunability.

Big array of predefined functions similar to tunable laser spectrometers.

Auto-detection of narrow notches (PS-FBGs) and measurement of its bandwidth.